Screwdriver



FIG. 1 is a top-front perspective view of a screwdriver showing our new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom-rear perspective view thereof.

The dashed broken lines in the figures illustrate portions of the screwdriver that form no part of the claimed design. 

CLAIM The ornamental design for a screwdriver, as shown and described. 